/// <summary>
/// Starts editing a virtual item. While items are edited,
/// their original images will be seperately cached
/// instead of fetching them from the file.
/// </summary>
/// <param name="guid">The guid representing the item</param>
public void BeginItemEdit(Guid guid)
{
lock (lockObject)
{
if (!editCache.ContainsKey(guid))
{
VirtualItemImageEventArgs e = new VirtualItemImageEventArgs(mImageListView.Items[guid].mVirtualItemKey);
mImageListView.RetrieveVirtualItemImageInternal(e);
if (!string.IsNullOrEmpty(e.FileName))
{
editCache.Add(guid, Image.FromFile(e.FileName));
}
}
}
}
/// <summary>
/// Gets the item image.
/// </summary>
public Image GetImage()
{
if (!editing)
{
BeginEdit();
}
Image img = null;
if (isVirtualItem)
{
VirtualItemImageEventArgs e = new VirtualItemImageEventArgs(mVirtualItemKey);
mImageListView.RetrieveVirtualItemImageInternal(e);
img = Image.FromFile(e.FileName);
}
else
{
img = Image.FromFile(mFileName);
}
if (!editing)
{
EndEdit();
}
return(img);
}